SP3490CN SIPEX [Sipex Corporation], SP3490CN Datasheet - Page 6

• Manufacturer Part Number: SP3490CN
• Description: +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
• Manufacturer: SIPEX [Sipex Corporation]

SPECIFICATIONS (continued)
T
Figure 12. Receiver Enable and Disable Waveforms
Rev. 10/11/02
AMB
PARAMETERS
SP3491 RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage HIGH
Output Voltage LOW
Three State (high impedance)
Output Current
Input Resistance
Input Current (A, B); V
Input Current (A, B); V
Short-Circuit Current
SP3491 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, t
Receiver Input to Output, t
Differential Receiver Skew
Receiver Enable to Output LOW
Receiver Enable to Output HIGH
Receiver Disable from LOW
Receiver Disable from HIGH
POWER REQUIREMENTS
Supply Voltage
Supply Current
OUTPUT
= T
REB
MIN
to T
MAX
V
and V
0V
3V
0V
OH
CC
= +3.3V ± 5% unless otherwise noted.
S1 is open
S2 is closed
S3 = 1.5V
1.5V
IN
IN
10%
= 12V
= -7V
SP3490/3491 Low Power Full-Duplex RS485 Transceivers
t
PLH
PHL
PRHZ
V
MIN.
+3.0
-0.2
CC
12
10
40
40
-0.4
1.5V
t
t
PRZH
PRSH
1.5V
TYP.
1000
800
25
15
70
70
65
65
65
65
4
MAX.
2000
1500
+0.2
+3.6
-0.8
120
120
150
150
200
200
OUTPUT
0.4
1.0
+1
60
85
85
6
REB
UNITS
Mbps
Volts
Volts
Volts
Volts
mA
mA
mA
µA
µA
µA
mV
kΩ
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
0V
3V
CC
OL
CONDITIONS
-7V < V
V
I
I
0V < V
-7V < V
DE = 0V, V
DE = 0V, V
0V < V
REB = 0V, DE = V
Figures 6 & 11
T
Figures 6 and 11
Figures 6 & 11
T
Figures 6 and 11
t
Figures 6 & 11
Figures 7 and 12; S
Figures 7 and 12; S
Figures 7 and 12; S
Figures 7 and 12; S
REB, D = 0V or V
DE=0V
O
O
PHL
CM
AMB
AMB
= -1.5mA, V
= +2.5mA, V
S1 is closed
S2 is open
S3 = -1.5V
1.5V
(A) - t
= 0V
= +25
= +25
10%
O
O
CM
CM
t
< V
< V
PRLZ
PLH
< 12V
< 12V
CC
CC
o
o
© Copyright 2002 Sipex Corporation
CC
CC
C, V
C, V
(A) , t
= 0V or +3.6V, V
= 0V or +3.6V, V
; REB = V
ID
ID
= +200mV
CC
CC
CC
= -200mV
t
t
PHL
CC
1.5V
PRZL
PRSL
= +3.3V,
= +3.3V,
; DE = V
1
2
1
2
(B) - t
closed, S
closed, S
closed, S
closed, S
1.5V
CC
PLH
CC
(B) ,
IN
IN
2
1
2
1
open
open
open
= 12V
= -7V
open